<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>v-on指令</title>
    <script src="../vue.js"></script>

</head>
<body>
    <div id="app"> 
       <input type="text" v-model="msg"><br>
       <div>
           {{msg}}
       </div>
    </div>
</body>
</html>
<script>
    var vm=new Vue({
        el:'#app',
        data:{
            msg:"Hello Vue11111"
        }
    });
</script>